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Finding the Fourth Proportional to 46,555, 69,834.06 and 18,480.28

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Solution

The fourth proportional to 46,555, 69,834.06 and 18,480.28 is: 27,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,555 : 69,834.06 = 18,480.28 : x
  2. Step 2: Convert to fraction form
    46,555/69,834.06 = 18,480.28/x
  3. Step 3: Cross multiply
    46,555x = 69,834.06 × 18,480.28
  4. Step 4: Simplify right side
    46,555x = 1,290,552,982.34
  5. Step 5: Solve for x
    x = 1,290,552,982.34/46,555
  6. Step 6: Final answer
    x = 27,721.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.